Lead Diesel & CNG Mechanic | Diagnostic & PM Expert

GFL Industries; Fort Worth (TX); On-site; USD 60,000 - 95,000; Full time

Job summary

GFL is seeking an experienced Diesel/CNG Maintenance Technician in Fort Worth, TX, to service, diagnose and repair heavy vehicles and maintain a road-ready fleet.

You will lead inspections, interpret schematics, and mentor junior mechanics while ensuring safety and regulatory compliance. A CDL and ASE certifications are preferred, with strong diagnostic software skills and DOT knowledge.

Qualifications

• Diesel and CNG vehicle maintenance required.
• Brake, engine, emission, steering systems inspection experience.
• Ability to read and interpret detailed schematics and manuals.

Responsibilities

• Diagnose and repair Diesel/CNG trucks to keep fleet road-ready.
• Lead inspections of brakes, engines, emissions, steering and related components.
• Mentor and guide mechanics at levels B and C.
• Prioritize repairs to maximize efficiency and timely WO completion.
• Coordinate repair schedules and review mechanical write-ups.
• Perform DOT and brake inspections on all vehicles.
• Complete reports, work orders and parts orders; handle admin tasks.
• Ensure safe working conditions and regulatory compliance.
• Interpret electrical and diagnostic schematics accurately.
• Participate in training to expand skills and knowledge.
• Maintain a clean, organized work area.

Skills

Diesel maintenance

CNG maintenance

Diagnostics

Electrical systems

Brake systems

Schematics

Leadership

Mentoring

Education

Brake certificate

609 A/C system certification

ASE certifications

CDL (Class A or B) preferred

Tools

Diagnostic software

Job description

GFL is seeking an experienced Diesel/CNG Maintenance Technician in Fort Worth, TX, to service, diagnose and repair heavy vehicles and maintain a road-ready fleet.

You will lead inspections, interpret schematics, and mentor junior mechanics while ensuring safety and regulatory compliance. A CDL and ASE certifications are preferred, with strong diagnostic software skills and DOT knowledge.